Add a MRF Policy for appending re: to identical subjects in replies.

This commit is contained in:
scarlett 2018-12-04 21:39:18 +00:00
parent ec1ec32f20
commit 8a1df182cf
2 changed files with 38 additions and 0 deletions

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@ -39,6 +39,7 @@ Note: `strip_exif` has been replaced by `Pleroma.Upload.Filter.Mogrify`.
* `Pleroma.Web.ActivityPub.MRF.DropPolicy`: Drops all activities. It generally doesnt makes sense to use in production
* `Pleroma.Web.ActivityPub.MRF.SimplePolicy`: Restrict the visibility of activities from certains instances (See ``:mrf_simple`` section)
* `Pleroma.Web.ActivityPub.MRF.RejectNonPublic`: Drops posts with non-public visibility settings (See ``:mrf_rejectnonpublic`` section)
* `Pleroma.Web.ActivityPub.MRF.EnsureRePrepended`: Rewrites posts to ensure that replies to posts with subjects do not have an identical subject and instead begin with re:.
* `public`: Makes the client API in authentificated mode-only except for user-profiles. Useful for disabling the Local Timeline and The Whole Known Network.
* `quarantined_instances`: List of ActivityPub instances where private(DMs, followers-only) activities will not be send.
* `managed_config`: Whenether the config for pleroma-fe is configured in this config or in ``static/config.json``

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@ -0,0 +1,37 @@
defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do
alias Pleroma.Activity
@behaviour Pleroma.Web.ActivityPub.MRF
def filter_by_summary(
%{"summary" => parent_summary} = parent,
%{"summary" => child_summary} = child
)
when not is_nil(child_summary) and child_summary == parent_summary and
byte_size(child_summary) > 1 do
if not String.starts_with?(child_summary, "re:") do
Map.put(child, "summary", "re: " <> child_summary)
else
child
end
end
def filter_by_summary(parent, child), do: child
def filter(%{"type" => activity_type} = object) when activity_type == "Create" do
child = object["object"]
in_reply_to = Activity.get_create_activity_by_object_ap_id(child["inReplyTo"])
child =
if(in_reply_to,
do: filter_by_summary(in_reply_to.data["object"], child),
else: child
)
object = Map.put(object, "object", child)
{:ok, object}
end
def filter(object), do: {:ok, object}
end